Comfortable, secure, stylish, durable, and TSA checkpoint friendly, the ergonomist-approved Contour 2.0 Pro Laptop Backpack - 17" is the perfect 17" laptop backpack for mobile professionals. The Contour 2.0 Pro Laptop Backpack - 17" features a heat-dissipating contoured back that hugs the body and shifts weight so it's closer to the center of gravity*; specially positioned pockets that help evenly distribute weight and balance contents; a laptop security compartment with a puncture-resistant, lockable zipper; tough,water-resistant material; and interior padding for an added layer of protection. *While properly wearing both straps.